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Institution

Universiti Teknologi Petronas

EducationIpoh, Malaysia
About: Universiti Teknologi Petronas is a education organization based out in Ipoh, Malaysia. It is known for research contribution in the topics: Adsorption & Ionic liquid. The organization has 6127 authors who have published 11284 publications receiving 119400 citations.


Papers
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Proceedings ArticleDOI
15 Jun 2010
TL;DR: In this article, the authors presented an analysis of Discrete Hartley Transform (DHT) precoded OFDM system using M-QAM (where M=16, 32, 64, 256).
Abstract: High Peak to Average Power Ratio (PAPR) is one of the major drawbacks in Orthogonal Frequency Division Multiplexing (OFDM). The High PAPR increases the complexity of Analogue to Digital (A/D) and Digital to Analogue (D/A) convertors and also reduces the efficiency of RF High Power Amplifier (HPA). In this paper we present an analysis of Discrete Hartley Transform (DHT) precoded OFDM system using M-QAM (where M=16, 32, 64, 256). We compare the computer simulation results of DHT precoded OFDM system with DFT precoded OFDM system, Walsh Hadamard Transform (WHT) precoded OFDM system, Selected Mapping (SLM) based OFDM system and OFDM conventional. Simulation results show that the PAPR of DHT precoded OFDM system is lower than WHT precoded OFDM system, SLM-OFDM system and OFDM conventional. We also concluded in this paper that DFT precoded OFDM system has zero PAPR.

55 citations

Journal ArticleDOI
TL;DR: In this paper, an experimental and density functional theory analysis of the composite g-C3N4/BiVO4 microflower photocatalysts is comprehensively discussed, and a remarkable photoelectrocatalytic solar...
Abstract: Herein, an experimental and density functional theory (DFT) analysis of the composite g-C3N4/BiVO4 microflower photocatalysts are comprehensively discussed. A remarkable photoelectrocatalytic solar...

55 citations

Journal ArticleDOI
TL;DR: In this article, an antibacterial agent, zeolitic imidazole framework-8 decorated with graphene oxide (ZGO), was functionalised with amino groups via direct post-modification method using ammonium hydroxide solution.

55 citations

Journal ArticleDOI
TL;DR: In this article, a detailed model representation for water regeneration network synthesis is proposed, in which nonlinear mechanistic models of the regeneration units are embedded within an overall mixed-integer nonlinear programming (MINLP) optimization framework.
Abstract: Scarcity of freshwater resources and increasingly stringent environmental regulations on industrial effluents have motivated the process industry to identify and develop various water recovery strategies. This work proposes the use of detailed model representation for water regeneration network synthesis, in which nonlinear mechanistic models of the regeneration units are embedded within an overall mixed-integer nonlinear programming (MINLP) optimization framework. The superstructure-based MINLP framework involves both continuous variables for water flow rates and contaminant concentrations and 0–1 variables for selection of piping interconnections. The nonlinear regeneration model produces a rigorous cost-based relation, instead of a “black box” model, that is incorporated within the overall MINLP representing a network of numerous water sources and water sinks. Hence, such an approach enables a simultaneous evaluation of both direct water reuse/recycle and regeneration–reuse/recycle opportunities. To de...

55 citations

Journal ArticleDOI
TL;DR: In this paper, a pre-treatment process was investigated with respect to several factors such as the types of ionic liquid cation used, the effect of pretreatment temperature and time, sample loading and particle size.

55 citations


Authors

Showing all 6203 results

NameH-indexPapersCitations
Muhammad Imran94305351728
Muhammad Shahbaz92100134170
Muhammad Farooq92134137533
Markus P. Schlaich7447225674
Abdul Basit7457020078
Keat Teong Lee7127616745
Abdul Latif Ahmad6849022012
Cor J. Peters522629472
Suzana Yusup524378997
Muhammad Nadeem524099649
Umer Rashid5138110081
Hamidi Abdul Aziz493459083
Serge Palacin452018376
Muhammad Awais432726704
Zakaria Man432455301
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202338
2022128
20211,303
20201,316
2019978
20181,029